Mercury 20hp EFI Outboard 20EH
$2,369.00
The Mercury 20hp EFI Outboard 20EH is a lightweight four-stroke tiller motor with electric start, delivering smooth acceleration, low vibration, and fuel-efficient EFI performance for small boats.
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Overview Mercury 20hp EFI Outboard 20EH
The Mercury 20hp EFI Outboard 20EH is a compact, ultra-lightweight four-stroke outboard designed for boaters who want simple handling with modern performance. Featuring Electronic Fuel Injection, electric start, and tiller steering, it’s an excellent choice for aluminum boats, inflatables, jon boats, utility boats, and sailboats that require smooth power and easy operation.
Features and Performance
- Electronic Fuel Injection (EFI) – Quick, reliable starts and smooth throttle response with improved fuel efficiency
- Electric Start System – Push-button convenience for effortless operation
- Ultra-Lightweight Design – Easy to install, transport, and maneuver
- Innovative Tiller Steering – Locks at 73° for comfortable fishing and easier trailering
- Quiet Four-Stroke Engine – Low vibration and reduced noise for all-day comfort
- Short Shaft (15”) Configuration – Ideal for low-transom and lightweight hull designs
- High-Output Alternator (12A / 145W) – Supports battery charging and onboard electronics
Why You Should Buy it
- Trusted Mercury Marine reliability and build quality
- EFI technology improves fuel economy and throttle control
- Electric start enhances ease of use on the water
- Lightweight design simplifies handling and transport
- Backed by a Mercury Marine 3-Year Warranty
| Specification | Details |
|---|---|
| Engine Type | Inline 2-Cylinder Four Stroke |
| Horsepower | 20hp |
| Displacement | 333cc |
| Fuel System | Electronic Fuel Injection (EFI) |
| Fuel Induction | 4-Valve SOHC |
| Shaft Length | 15" Short |
| Steering | Tiller |
| Starting System | Electric |
| Weight | 112 lbs |
| Alternator Output | 12 amp / 145 watt |
| Full Throttle RPM | 5700 – 6200 rpm |
| Propeller | 9.2" x 9.8" 3-Blade Aluminum |
| Warranty | Mercury Marine 3-Year Warranty |
- Mercury 20hp EFI Outboard 20EH
- 3-Blade Aluminum Propeller
- External Fuel Tank (3.2 Gallons)
- Fuel Line Hose
- Service Tool Kit & Parts
- Stop Switch Lanyard
- Owner’s Manual
Frequently Asked Questions About Mercury 20hp EFI Outboard 20EH
Who is the Mercury 20hp EFI Outboard 20EH intended for on the water?
The Mercury 20hp EFI Outboard 20EH is built for boaters who want simple handling with modern performance. The row highlights 20 hp, Inline 2-Cylinder Four Stroke, tiller, and a 15" Short shaft for a clearly defined operating setup.
What are the key powertrain details of this engine?
This outboard is listed with 20hp, and Inline 2-Cylinder Four Stroke. The specification row adds 333cc of displacement and electronic fuel injection (efi) fuel delivery, which helps buyers compare how this motor is set up for smooth, straightforward operation.
What control and rigging details are clearly stated for this unit?
This model is listed with a 15" Short shaft, Tiller steering, and Electric starting. Those details matter because alternator output is listed at 12 amp / 145 watt, helping buyers judge transom fit, helm style, and everyday operating convenience.
Where does this outboard make the most sense onboard?
This outboard is aimed at boat setups that match its listed control and shaft arrangement. The row points to boaters who want simple handling with modern performance and highlights a 15" Short shaft, helping buyers narrow it to the right helm and transom layout.

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